![Oisocarinas Oisocarinas](https://musiquedeterre.fr/wp-content/uploads/2021/03/oiso.jpg)
From the small one octave bird to the triple bass, many diferent sounds and shapes.
The fingering of the birds is similar to the whistle, 6 holes, the difference is just one or two thumb holes more. So the range is one octave or one octave + one tone.
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